import { VexHighlightConfig, VexHighlightOptions, VexHighlightResult } from './vex-highlight.model';
import * as i0 from "@angular/core";
export declare class VexHighlightService {
    constructor(options: VexHighlightOptions);
    /**
     * Core highlighting function.
     * @param name Accepts a language name, or an alias
     * @param value A string with the code to highlight.
     * @param ignoreIllegals When present and evaluates to a true value, forces highlighting to finish
     * even in case of detecting illegal syntax for the language instead of throwing an exception.
     * When present, the function will restart parsing from this state instead of initializing a new one
     */
    highlight(name: string, value: string, ignoreIllegals: boolean): VexHighlightResult;
    /**
     * Highlighting with language detection.
     * @param value Accepts a string with the code to highlight
     * @param languageSubset An optional array of language names and aliases restricting detection to only those languages.
     * The subset can also be set with configure, but the local parameter overrides the option if set.
     */
    highlightAuto(value: string, languageSubset: string[]): VexHighlightResult;
    /**
     * Applies highlighting to a DOM node containing code.
     * The function uses language detection by default but you can specify the language in the class attribute of the DOM node.
     * See the class reference for all available language names and aliases.
     * @param block The element to apply highlight on.
     */
    highlightBlock(block: HTMLElement): void;
    /**
     * Configures global options:
     */
    configure(config: VexHighlightConfig): void;
    /**
     * Applies highlighting to all <pre><code>..</code></pre> blocks on a page.
     */
    initHighlighting(): void;
    /**
     * Adds new language to the library under the specified name. Used mostly internally.
     * @param name A string with the name of the language being registered
     * @param language A function that returns an object which represents the language definition.
     * The function is passed the hljs object to be able to use common regular expressions defined within it.
     */
    registerLanguage(name: string, language: any): void;
    /**
     * @return The languages names list.
     */
    listLanguages(): string[];
    /**
     * Looks up a language by name or alias.
     * @param name Language name
     * @return The language object if found, undefined otherwise.
     */
    getLanguage(name: string): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<VexHighlightService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VexHighlightService>;
}
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